[mythtv] 0.21 and ffmpeg handling of corrupt ac3

Marc Randolph mrand at pobox.com
Fri Apr 18 17:59:16 UTC 2008

On Fri, Apr 18, 2008 at 12:30 PM, Scott D. Davilla <davilla at 4pi.com> wrote:
> >It occurred to me that, if at any point mythtv uses a newer version of
>  >ffmpeg, this issue will pretty much fix itself.  In any case, if
>  >anyone thinks I should log a bug, and maybe post my patch for anyone
>  >looking for a quick fix, let me know.  I already posted it to the
>  >users list.
>  Just a though, but how about fixing these problems at the source
>  before they get propagated to disk at the backend. For DVB and
>  HDHomeRun, the backend load is very light and since one would just be
>  doing crc checks and fixes, this would not add much to the backend
>  load.
>  That way, the recorded file is guaranteed "clean". Sort of solve the
>  problem at the source and eliminate "garbage in garbage out".

Certainly nothing wrong with doing that, but doing a check at the
decoder makes sense as well, at least to me.  Corrupted data could
come from other sources (the first one that jumps to mind is a
front-end connected via a wireless network), could it not?


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